2026 H1 NSR GT3 – Road Track

[Bellator]

Models

• Current or legacy NSR GT-3 cars   https://www.nsrslot.it/assets/models/modelli.html
  Aston Martin Vantage (ASV)            Audi R8 LMS               BMW Z4
  Corvette C6R                                     Corvette C7R               NSR Cars legal in 2016 Modern GT series
  Mercedes AMG                                 Porsche 997               Corvette C8R

Body

• Required: OEM hard glass & cockpit (no Lexan). At the start of each weekly-round & all Heats; major body parts (esp. windows, lights, wings) must be intact. Wings must be re-attached for each heat. Permitted: Wings can be reinforced with ShoeGoo, styrene or rubber (e.g. Thunderslot donut holes cut to parallelogram shape).
• Permitted: Small Vulnerable Parts: antennas, mirrors, wipers, tow-hooks do Not have to be replaced after race damage. Driver’s legs/feet can be trimmed to prevent contact with motor shaft, axle, ballast or underside of body.
• Permitted: Smoothing the various bumps on the light-buckets *if* front tires are contacting them. Thin washers on the front body post to solve tire contact, etc.
• Options: White Kits must be painted or decaled; Required: three race numbers (both doors plus either -Hood, -Trunk, -Roof, or -Windshield)
  **Duplicate Pre-Decorated Liveries must be made unique – either with Different Race Numbers, painted wings or body panels, or decals.
• Prohibited: Tires visible past 0.5mm from skirt/fender/wheel-well (when inspected from above)

Chassis

• Options: *Recommended* Extra-Hard-Green or Hard-White chassis/pan; OEM Black-Medium hard
  Example:  ASV WH1459, GR1488; C7 WH1492, GR1494; R8 WH1475, GR1486; Z4 WH1463, GR1489 etc.
• Required: Drop Arm – Red/Hard (NSR-1234)  Permitted:  Arm may be screw-fixed, floppy, or spring-loaded.
• Permitted: Flash may be sanded; and molding nipples removed. Ballast for tuning weight-distribution on chassis or motor pod.
• Open Choice: OEM or Brass 4-40 axle adjustment screws.
• Options: *Recommended* NSR Guides -Wood (deep/long) screw mount (NSR-4859); OEM snap-in (NSR-4841) *good to add shims under pan to remove slop and extend the depth of the keel/blade.
• Open-Choice: Motor Lead Wires, Grommets, Pick-up braid (i.e not required to be NSR brand)
• Open-Choice: Body (and motor pod) Screws (i.e. may be smooth shank brass screws from Slot.IT or NSR)
• Prohibited: Magnets; ballast below the pan; gaps with body and chassis (or pod) exceeding 1mm (credit card thickness)

Motor

• Options: (OEM) Shark-25-EVO (NSR-3043; 25K 180GM); Shark-21.5 (NSR-3041; 21.9K 164gm); vintage Shark-22 (NSR-3001; 22.4K 168gm)
• Permitted: If the ‘rapper comes off (dawg!), if the “can tattoo” for Model/RPM is Viewable the motor can pass. Tattoos resist lubes and VooDoo juice.
• Permitted: Trimming Endbell Side Shaft for tire clearance. Shaving the can, on the drive side, near the Spur gear bushing for clearance.
• Prohibited: ANGLEWINDERS AND INLINES ESP. LONG-CANS Changes to the armature, brushes, bushings, magnets.

Motor Pod

• Options: *Recommended* Sidewinder OEM Red/Hard (NSR-1264); Black/Medium (NSR-1262) Triangular
• Permitted: Gluing motor to the pod. No screw holes are in the OEM pod.
• Prohibited: Pod protruding below the chassis more than 0.5mm;  IW AND SW

Gears

• *Recommended* OEM Pinion: 6.45mm-DIA 11z  NSR-6911A (NSR does not have any other 6.45 pinions)
• *Recommended* Sidewinder Spurs OEM 17.5mm-DIA 32z NSR-6032;  6030, 6031 – 6037
• Open-Choice: Any NSR pinion and spur sizes (some older NSR GT cars may not use the 6.45Pin-17.5Spur combo)
• Open-Choice: Gear-Ratios (OEM: 32/11 = 2.91 therefore rear wheel RPM 7,875 = (25,000 * 11v/12v) / 2.91)
  Examples: HOT 31/11 = 2.82 ~ rear wheel RPM 8,127    SMOKING 30/11 = 2.73 ~ 8,395

Wheels

• Required: OEM factory wheels  FRONT: (NSR-5003) 17dx8w  REAR: (NSR-5004) 17.25dx10w
• Options: Porsche REAR (NSR-5003 17dx8w)
• Permitted: Filling the Air-System-Gap with Thunderslot Foam Donuts THRMRFM001
• Required: NSR brand wheel inserts; Open-Choice: Type and Style

Axles

• Required: NSR brand solid axles; Bushings
• Open-Choice: Stop collars, Spacers/washers
• Prohibited: Independent rotating front axles.

Tires

• Options: FRONT: No-Friction/Zero-Grips (NSR-5226) 18dx8w -or- (NSR-5201) 17dx8w
• Options: REAR: (NSR-5230) 20dx11w Supergrip  -or- (NSR-5231) 20dx11w Ultragrip
• Options: Porsche REAR (NSR-5206; 19dx10w Supergrip; Porsche)
• Permitted: Tires may be glued. ShoeGoo is recommended rather than CA (superglue) which may split both Supergrips and Ultragrips.
  *Recommended* Truing camphered tyres (shoulders rounded).
• Prohibited: Traction Compounds (bite, goop, glue)

 GENERAL

• Power: 11 volts
• Mods Not Mentioned – contact Series Manager for legality (BEFORE the first race). Leave cars at HQ at any date before first race for Inspection.

Build it strong.
Keep it simple.
Make it work.
      (Leroy Grumman)

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